Chicago Fire surged to a series high Wednesday.
Facing a CSI repeat and a Nashville recap special, the NBC drama drew 8.4 million viewers and a 2.4 rating in the adults 18-to-49 demographic, up 26 percent from its last original two weeks ago.
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Airing all originals, NBC saw huge spikes for all of its shows. Whitney (5 million, 1.8) grew 29 percent, Guys with Kids (4.3 million, 1.7) rose 21 percent, and Law & Order: SVU (7.7 million, 2.1) matched its best rating since November 2011.
Fox was the only other network to air fresh episodes and averaged 3 million viewers and a 1.1 for its double dose of Mobbed.